242011001 has 2 divisors, whose sum is σ = 242011002. Its totient is φ = 242011000.

The previous prime is 242010983. The next prime is 242011013. The reversal of 242011001 is 100110242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 225600400 + 16410601 = 15020^2 + 4051^2 .

It is a cyclic number.

It is not a de Polignac number, because 242011001 - 2²² = 237816697 is a prime.

It is a pancake number, because a pancake can be divided into 242011001 parts by 22000 straight cuts.

It is not a weakly prime, because it can be changed into another prime (242011051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121005500 + 121005501.

It is an arithmetic number, because the mean of its divisors is an integer number (121005501).

Almost surely, 2^242011001 is an apocalyptic number.

It is an amenable number.

242011001 is a deficient number, since it is larger than the sum of its proper divisors (1).

242011001 is an equidigital number, since it uses as much as digits as its factorization.

242011001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 242011001 is about 15556.7027676176. The cubic root of 242011001 is about 623.1774110912.

Adding to 242011001 its reverse (100110242), we get a palindrome (342121243).

The spelling of 242011001 in words is "two hundred forty-two million, eleven thousand, one".